PML Differential Cover for GM 9½ Rear Axles, for H2, SSR, TBSS, and more.

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Hummer Differentials
Hummer H1

GM 9.5, 9.76 2014+ New

GM 10 1/2 Straight Fins
GM 10 1/2 Pattern Fins

GM AAM 11 1/2
GM, Dodge AAM 11 1/2

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GM 9½" Ring Gear 14 Bolt Rear Differential Cover For Hummer H2, TBSS, GMC/Chevy Trucks and SUVs Part Number 10303-2 PML makes three covers for this differential. See all PML GM 9½" rear differential covers to compare.
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As-cast finish $195.00	Black powder coating $250.00	Polished finish $325.00
Volume: 0.5 quart over stock Dimensions: Click here for dimensions. This PML cover fits the GM 9½" ring gear, 14 bolt rear differential. PML makes three different covers for the many GMC and Chevrolet trucks, vans and SUVs with this differential. PML designed this cover specifically for vehicles needing clearance for pan hard and sway bars and still want the benefits of an aftermarket heavy duty cover. For example: Hummer H2, 2003 to 2009 Trailblazer SS, 2006 to 2009 SSR 6 speed, 2005 to 2006 Some Cadillac SUVs Vehicle configurations vary so always check your configuration and clearance before ordering. If you do not have an H2, Trailblazer SS or SSR and wish to order this cover, you will need to contact us and let us know what bolt size you have. Please see the Bolt Information section on this page: GM straight fin cover. All the Hummer H2, Trailblazer SS, and SSR vehicles we have seen have metric M8–1.25x21mm stock bolts. Nissan Titan 2016 and newer: These trucks have a similar rear stock cover. See PML Products In Development. PML Differential Cover Compared to Stock Click on image to view larger. These images show this PML differential cover compared to the stock cover. This image compares the depth of all PML GM 9 1/2, 14 bolt differential covers and the stock cover. Click on image to view larger in a new tab or window. Installations H2 Hummer Pictures are installations of this PML cover on three different H2 Hummers are below. The ones one the left and right are black powder coated and the one in the middle is polished. All have been customized with lift kits. The image on the right is courtesy of Scott who also installed and sent us a picture of PML's 4L65E transmission pan installed. 2009 Trailblazer SS This PML differential cover and the PML 4L75E transmission pan were both installed on this 2009 Trailblazer SS. Click on an image to view larger in a new tab or window. 2007 Cadillac Escalade Kirt installed this cover on his 2007 Cadillac Escalade 6.2L 2WD. He reported that the rear track bar needed to come off to get the cover on, but there is about 1/4 inch clearance when it is all back together. His Escalade uses the same bolts as the H2 (M8–1.25x21mm). Our thanks to Kirt for letting us know. 2006 Trailblazer SS Click on image to view larger. 2000 Silverado 2500 The image shows this PML 14 bolt 9.5 ring gear straight fin cover installed on a 2000 Silverado 2500 6.0 LS. This cover is in the natural as-cast finish. Our thanks to Eugene (retired Marine) for sending us pictures of his installation and for his service to our country. For a larger picture, please click one of the above images. A separate window will open showing a bigger picture. (The larger pictures take a minute to display.) PML Differential Cover Features: Increased oil capacity for cooler temperatures Sand-cast aluminum with raised fins 3/16-inch thick wall construction to add strength to differential housing 3/8-inch thick gasket flange will not bend when bolts are tightened Machined gasket surface for a secure seal using RTV or factory reusable gasket Oil changes without removing the cover All hardware provided, including magnetic drain plug Learn more about finishes and construction of PML parts.